Материал: part16

Page 1296​

DICOM PS3.16 2020a - Content Mapping Resource​

Code Value​

Code Meaning​

Definition​

Notes​

122450​

Normalized Chord Length​

The length between End Diastolic and End Systolic​

contour perpendicular on the centerline normalized by a​

method dependent ventricular perimeter length. The​

centerline is the line equidistant between the End​

Diastolic and End Systolic contour [example: Sheehan,​

1986].​

122451​

Abnormal Region​

The report of the boundaries of the abnormal​

(hyperkinetic, hypokinetic, a-kinetic) regions associated​

withtheterritoryoftheartery[example:Sheehan,1986].​

region [example: Sheehan, 1986].​

[example: Sheehan, 1986].​

122459​

Territory Region Severity​

Severity at the regional abnormality extent [example:​

Sheehan, 1986].​

122461​

Opposite Region Severity​

Severity at the opposite regional abnormality extent​

[example: Sheehan, 1986].​

project the range of chords belonging to this​

circumferential extent lies between 25 - 85. [Sheehan,​

1986].​

122466​ Single LAD Region in RAO​

Based on a total number of chords of 100 and RAO​

Projection​

projection the range of chords belonging to this regional​

extent lies between 10 - 66 (hypokinetic) and 67 - 80​

(hyperkinetic). [Sheehan, 1986].​

122467​ Single RCA Region in RAO​

Based on a total number of chords of 100 and RAO​

Projection​

projection the range of chords belonging to this regional​

extent lies between 51 - 80 (hypokinetic) and 10 - 50​

(hyperkinetic). [Sheehan, 1986].​

122468​ Multiple LAD Region in RAO​

Based on a total number of chords of 100 and RAO​

Projection​

projection the range of chords belonging to this regional​

extent lies between 10 - 58 (hypokinetic) and 59 -80​

(hyperkinetic). [Sheehan, 1986].​

122469​ Multiple RCA Region in RAO​

Based on a total number of chords of 100 and RAO​

Projection​

projection the range of chords belonging to this regional​

extent lies between 59 - 80 (hypokinetic) and 10 - 58​

(hyperkinetic). [Sheehan, 1986].​

Page 1298​

DICOM PS3.16 2020a - Content Mapping Resource​

Code Value​

Code Meaning​

Definition​

Notes​

The exact method, such as by decomposition into​

triangles or quadrilaterals, is not specified, since it does​

not affect the numeric result, apart from the effect of​

numeric precision during computation of intermediate​

results.​

122502​ Area of a closed NURBS​

The area is derived by using a set of coordinates as​

control points for a Non Uniform Rational B-Spline​

(NURBS).​

122505​

Calibration​

Procedure used to calibrate measurements or​

measurement devices.​

122507​

Left Contour​

Left contour of lumen (direction proximal to distal).​

122508​

Right Contour​

Right contour of lumen (direction proximal to distal).​

122509​

Diameter Graph​

Ordered set of diameters values derived from contours​

(direction proximal to distal).​

122510​

Length Luminal Segment​

Length Luminal Segment.​

122511​

Graph Increment​

Increment value along X-axis in Diameter Graph.​

122516​ Site of Maximum Luminal​

Location of the maximum lumen area in a lesion or​

vessel.​

122517​

Densitometric Luminal​

Ordered set of cross-sectional Vessel Lumen​

Cross-sectional Area Graph​

Cross-Sectional Area values derived from contours​

(direction proximal to distal) based on densitometric​

method.​

122528​ Position of Proximal Border​

Position of proximal border of segment relative to the​

contour start (proximal end of analysis area).​

122529​ Position of Distal Border​

Positionofdistalborderofsegmentrelativetothecontour​

start (proximal end of analysis area).​

122542​

Plaque Area​

Longitudinal cross sectional area of plaque.​

122544​

Diameter Symmetry​

Symmetry of stenosis (0 = complete asymmetry, 1 =​

complete symmetry); see Section T.2 “Definition of​

Diameter Symmetry with Arterial Plaques” in PS3.17.​

122545​

Area Symmetry​

Symmetry of plaque (0 = complete asymmetry, 1 =​

complete symmetry); see Section T.2 “Definition of​

Diameter Symmetry with Arterial Plaques” in PS3.17.​

122546​

Inflow Angle​

The average slope of the diameter function between the​

positionoftheminimumluminaldiameterandtheposition​

of the proximal border of the segment.​

122547​

Outflow Angle​

The average slope of the diameter function between the​

positionoftheminimumluminaldiameterandtheposition​

of the distal border of the segment.​

122548​

Stenotic Flow Reserve​

The relation between coronary pressure and coronary​

flow.​

122549​

Poiseuille Resistance​

Poiseuille Resistance at the location of the stenosis.​

Page 1300​

DICOM PS3.16 2020a - Content Mapping Resource​

Code Value​

Code Meaning​

Definition​

Notes​

122624​

Wall Thickness Ratio​

The ratio of the end-systolic wall thickness compared to​

end-systolic to end-diastolic​

the end-diastolic wall thickness.​

122627​

Curve Fit Method​

Themethodtosmoothaventricularvolumeasafunction​

of time.​

122628​

Baseline Result Correction​

Baselinecorrectionusedinthecalculationoftheresults.​

122631​ Signal Earliest Peak Time​

The time in a dynamic set of images at which the first​

peak of the signal is observed for the analyzed​

myocardial wall segments.​

122633​ Signal Increase Start Time​

This is the time at which the signal begins to increase.​

122634​ Signal Time to Peak​

Time interval between the beginning of the signal​

increasetothetimeatwhichthesignalintensityreaches​

its first maximum in a dynamic set of images.​

122635​

MR Perfusion Peak​

Peak of the MR perfusion signal.​

122636​

MR Perfusion Slope​

Signal intensity as a function of time. It is the change in​

the signal intensity divided by the change in the time.​

122637​ MR Perfusion Time Integral​

MR perfusion time integral from baseline (foot time) to​

earliest peak.​

122638​

Signal Baseline Start​

First time point in a dynamic set of images used in the​

calculation of the baseline signal intensity for each​

myocardial wall segment.​

122639​

Signal Baseline End​

Last time point in a dynamic set of images used in the​

calculation of the baseline signal intensity for each​

myocardial wall segment.​

122640​

Image Interval​

The time delta between images in a dynamic set of​

images.​

122642​

Velocity Encoding Minimum​

The minimum velocity encoded by the phase encoding​

Value​

gradient.​

122643​

Velocity Encoding Maximum​

The maximum velocity encoded by the phase encoding​

Value​

gradient.​

122645​

Net Forward Volume​

Forward volume-reverse volume.​

122650​

Area Based Method​

Area Based Method for estimating volume or area.​

122651​

Diameter Based Method​

Diameter Based Method for estimating volume, area or​

diameter.​

122652​

Volume Based Method​

Volume Based Method for estimating volume.​

122655​

NASCET​

A method of diameter measurements according to​

NASCET (North American Symptomatic Carotid​

Endarterectomy Trial).​

122656​

ECST​

AmethodofdiametermeasurementsaccordingtoECST​

(European Carotid Surgery Trial).​

122657​

Agatston Score Threshold​

Agatston Score Threshold.​

122658​

Calcium Mass Threshold​

Calcium Mass Threshold.​

122659​

Calcium Scoring Calibration​

Calcium Scoring Calibration.​

122660​

Calcium Volume​

Calcium Volume.​

122661​

Calcium Mass​

Calcium Mass.​

122664​

Late Contrast Enhancement​

Delayed hyperenhancement of a tissue observed in an​

image acquired after injection of contrast media.​